Safety instructions
Residual hazards
2
l
17
EDBMB935X EN 8.0
2.3 Residual hazards
Protection of persons
ƒ Before carrying out operations on the braking unit, check whether all
power terminals are in a deenergised state:
– After power−off the power terminals +U
G
, −U
G
and RB1 and RB2 still
carry dangerous voltage for at least 3 minutes.
ƒ S1, S2 and S3 have a mains potential!
– Wait for at least 3 minutes before changing over the switches.